private StructureDomain ParseDomain(string name, string line, int lineNumber)
{
StructureDomain result = new StructureDomain(name);
this.itemMap.Add(name.ToLower(), result);
line = StringUtil.RemoveFirstAndLast(line);
string[] aliases = this.PopAliases(ref line, lineNumber);
if (aliases != null)
{
foreach (string alias in aliases)
{
result.Aliases.Add(alias);
this.itemMap.Add(alias.ToLower(), result);
}
}
string[] tokens = line.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string token in tokens)
{
string[] words = token.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
string key = words[0].Trim().ToLower();
string value = words.Length == 1 ? string.Empty : words[1].Trim();
if (key.Equals("type"))
{
if (string.IsNullOrEmpty(value))
{
throw new Exception(string.Format("You must define a data type at line {0}", lineNumber));
}
string typeName = this.PopParenthesis(ref value);
result.DataTypeStr = typeName;
result.DataType = this.CalculateDataType(typeName, lineNumber);
value = value.Trim();
result.DataTypeDecimals = 0;
result.DataTypeLength = 0;
if (!string.IsNullOrEmpty(value))
{
string[] lengths = value.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
result.DataTypeLength = Convert.ToInt32(lengths[0].Trim());
if (lengths.Length > 1)
{
result.DataTypeDecimals = Convert.ToInt32(lengths[1].Trim());
}
}
}
else if (key.Equals("identity"))
{
if (string.IsNullOrEmpty(value))
{
result.IsIdentity = true;
}
else
{
result.IsIdentity = value.ToLower().Equals("true");
}
}
}
return(result);
}
public StructureTree Parse()
{
StructureTree result = new StructureTree();
string[] lines = StringUtil.SplitLines(this.SourceText);
for (int i = 0; i < lines.Length; i++)
{
StructureItem item = this.ParseLine(lines[i], i);
if (item != null)
{
result.AddItem(item);
}
}
// All lines loaded, structure items mapped, let's resolve references
foreach (StructureEntity entity in result.Entities)
{
foreach (StructureProperty property in entity.Properties)
{
if ((!property.IsTyped) && (!string.IsNullOrEmpty(property.ReferenceName)))
{
property.ReferenceItem = this.itemMap[property.ReferenceName.ToLower()];
if (property.ReferenceItem is StructureDomain)
{
StructureDomain domain = property.ReferenceItem as StructureDomain;
property.DataTypeStr = domain.DataTypeStr;
property.DataType = domain.DataType;
property.DataTypeLength = domain.DataTypeLength;
property.DataTypeDecimals = domain.DataTypeDecimals;
if (domain.IsIdentity)
{
property.IsIdentity = true;
property.IsPrimaryKey = true;
property.IsNullable = false;
}
}
else
{
}
}
}
}
return(result);
}
private StructureDomain ParseDomain(string name, string line, int lineNumber)
{
StructureDomain result = new StructureDomain(name);
this.itemMap.Add(name.ToLower(), result);
line = StringUtil.RemoveFirstAndLast(line);
string[] aliases = this.PopAliases(ref line, lineNumber);
if (aliases != null)
{
foreach (string alias in aliases)
{
result.Aliases.Add(alias);
this.itemMap.Add(alias.ToLower(), result);
}
}
string[] tokens = line.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string token in tokens)
{
string[] words = token.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
string key = words[0].Trim().ToLower();
string value = words.Length == 1 ? string.Empty : words[1].Trim();
if (key.Equals("type"))
{
if (string.IsNullOrEmpty(value))
{
throw new Exception(string.Format("You must define a data type at line {0}", lineNumber));
}
string typeName = this.PopParenthesis(ref value);
result.DataTypeStr = typeName;
result.DataType = this.CalculateDataType(typeName, lineNumber);
value = value.Trim();
result.DataTypeDecimals = 0;
result.DataTypeLength = 0;
if (!string.IsNullOrEmpty(value))
{
string[] lengths = value.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
result.DataTypeLength = Convert.ToInt32(lengths[0].Trim());
if (lengths.Length > 1)
{
result.DataTypeDecimals = Convert.ToInt32(lengths[1].Trim());
}
}
}
else if (key.Equals("identity"))
{
if (string.IsNullOrEmpty(value))
{
result.IsIdentity = true;
}
else
{
result.IsIdentity = value.ToLower().Equals("true");
}
}
}
return result;
}
